London -LRB- CNN -RRB- -- Some samples of designer Marc Jacobs ' fashions for next year disappeared on the way from Paris to London by train this week , forcing the company to cancel Thursday 's press day in London , the company said .

`` The Marc Jacobs PR team is sorry to inform you that our press day tomorrow in the Marc Jacobs store is canceled , due to the theft of the spring/summer 2012 collections during its transfer from Paris , '' the company said in an e-mail sent Wednesday to fashion publications .

Fashion editors attend the press days to see samples they 'll use for photo shoots as part of their coverage of what 's coming to stores in the future .

A highly placed source in the Jacobs company , who asked not to be identified , said the apparent theft was not unusual for the fashion business .

Contrary to some reports , only a part of the collection is missing , the source said .

Paris police said they have not been contacted to investigate .

CNN 's Alina Cho and Stephanie Halasz contributed to this report .

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Missing Marc Jacobs samples force London press day cancellation

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Garments disappeared from Paris-to-London train , company says

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Fashions are part of Jacobs ' spring/summer 2012 collection